PDA, the Potash Development Association

Other publications

If you would like to receive any of these advisory aids simply tick the boxes and fill in the form at the bottom of the page. Also available on-line is 'The safe application of sewage sludge to agricultural land', THE ADAS MATRIX.

Understanding potassium and its use in agriculture

The book provides vital and clear reference material on the role of potassium in plants, animals and humans, its origins in nature, its uses to mankind, its importance and correct use in agriculture, its movement in air, water and soil, and its place in manures and fertilisers.

Available on-line from EFMA

Understanding potassium and its use in agriculture

Phosphate and potash removal by crops

UK guidelines for calculation of crop removal.

leaflet available to

or

download as pdf
(41 kb)

Phosphate and potash removal by crops

NPK content of animal manures

Guidelines for total and available nutrients according to time of application.

leaflet available to

or

download as pdf
(27 kb)

Phosphate and potash removal by crops

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